14 
HIGH FOREST— Continued. 
C. Epiphytic. 
Name. 
Thick- 
mess of 
frond. 
Thick- 
ness of 
upper 
epi- 
dermal 
wall. 
Thick- 
ness of 
lower 
epi- 
dermal 
wall. 
Chloro- 
phyll 
in epi- 
dermis. 
Hypo- 
dermis. 
Stom- 
ata per 
square 
milli- 
meter. 
Average 
length and 
width of 
stomata. 
mm. 
’«■ 
M 
Nephrolepis laurifolia 
0. 28 
6.5 
7 
— 
— 
90 
40x26 
Humata heterophylla 
.28 
7 
7 
— 
— 
4 
53x36 
H. gaimardiana 
.22 
6.5 
1.5 
— 
+ 
95 
26x18 
H. parvula 
.26 
3.5 
4.5 
— 
+ 
50 
45x33 
3 
4.5 


26 
49 X 34 
D. pallida _ . 
.17 
2.5 
3 
+ 
_ 
56 
44x33 
D. decurrens _ _ 
.09 
2.5 
2.5 
+ 
— 
. 102 
46 x 27 
Lindsaya Merrilli ... ___ 
.065 
2 
1 
+ 
— 
44 
44 X 33 
Loxogramme eonferta 
.70 
7 
3.5 
+ 
— 
36 
52x32 
L. iridifolia 
.42 
3.5 
2.5 
+ 
— 
8 
82x55 
4.5 
g 
l + 

22 
57 x 52 
Asplenitim squamulatum_ 
.60 
10 
10 
Trace. 
20 
62 x 50 
A. epiphyticum _ 
.14 
2 
1 
- 
— 
28 
51x43 
A. vulcanicum _ . . . 
.17 
6 
6 
— 
— 
32 
54x28 
A. tenerum 
.28 
7.5 
6 
+ 
— 
24 
57x40 
A. caudatum 
.15 
2 
1.5 
+ 
— 
44 
58x32 
A. cuneatum. __ 
.11 
4 
4 
+ ' 
( 60 
40x34 
l 90 
42 x 25 
Stenochlsena sp. _ 
.27 
5 
2.5 
+ 
— 
16 
63x37 
Vittaria f al cata _ _ _ _ 
.45 
4.5 
3 
+ 
— 
7 
79x41 
Antrophyum semicosta- 
t.nm 
1.06 
7 
6 

13 
93 x 87 
Hymenolepis spicata I 
4 
_ 
+ 
32 
51x40 
Niphobolus varius 
.87 
7 
8 
— 
+ 
25 
60x40 
N. Lingua.. _ . _ 
.82 
5.5 
16 
— 
+ 
172 
38x28 
N. nummulariaefolius 
.86 
4 
8 
Trace. 
+ 
64 
38x25 
Polypodium revolutum 
.56 
8.5 
8.5 
' — 
+ 
26 
63x34 
P. incurvatum 
.23+ 
8 
13 
— 
_+ 
60 
46 x 31 
P. commutatum _ 
.21 
2 
2 
+ 
— 
76 
38x34 
P. Phymatodes 
.37 
9.5 
9.5 
— 
+ 
36 
47.x 39 
P. nigrescens _. 
.13 
1 
1 
+ 
- 
52 
51 x 31 
P. albido-squamatum . 
.29 
3 
7 
— 
+ 
60 
39 x 31 
P. heracleum ... 
.20 
5 
6 
— 
+ 
52 
42x34 
Lecanopteris pumila 
.17 
3.5 
2 
— 
- 
38 
45x36 
Pbotinopteris speciosa. . 
6.5 
* 7 
— 
+ 
60 
52x43 
Dryostachyum pilosum 
.23 
4 
4 
— 
+ 
72 
39x30 
Drynaria quercifolia 
.27 
8 
7 
— 
+ 
72 
44x31 
D. rigidula 
.17 
5 
5 
- 
• -(?) 
96 
44x37 
Average 
.3725 
5.08 
5.24 
45.95% 
39. 19% 
50.9 
50.6 x 34.9 
Average for high 
forest _ . 
* 
.2682 
3.89 
3.33 
72. 56% 
17.68% 
74.6 
50. 1 x 32.4 
